package com.dangdang.util;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

public class MyBatisUtil {
    private static SqlSessionFactory ssf = null;
    static{
        try {
            InputStream is = Resources.getResourceAsStream("mybatis-config.xml");
            ssf = new SqlSessionFactoryBuilder().build(is);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
    public static SqlSession getSqlSession(){
        SqlSession sqlSession = ssf.openSession();
        return sqlSession;
    }

    public static void closeSqlSession(SqlSession session){
        if (session!=null){
            session.close();
        }
    }
}
